{"id":53171,"date":"2024-08-07T14:23:46","date_gmt":"2024-08-07T14:23:46","guid":{"rendered":"https:\/\/matis.is\/?p=53171"},"modified":"2024-08-07T14:23:48","modified_gmt":"2024-08-07T14:23:48","slug":"atmospheric-dispersal-shapes-rapid-bacterial-colonization-of-icelandic-lava-rocks","status":"publish","type":"post","link":"https:\/\/matis.is\/en\/greinar\/atmospheric-dispersal-shapes-rapid-bacterial-colonization-of-icelandic-lava-rocks\/","title":{"rendered":"Atmospheric dispersal shapes rapid bacterial colonization of Icelandic Lava Rocks"},"content":{"rendered":"<p>Microorganisms released into the atmosphere by various disturbances can travel significant distances before depositing, yet their impact on community assembly remains unclear. To address this, we examined atmospheric and lithospheric bacterial communities in 179 samples collected at two distinct Icelandic volcanic sites: a small volcanic island Surtsey, and a volcanic highland Fimmv\u00f6r\u00f0uh\u00e1ls using 16S rRNA amplicon sequencing. <\/p>\n\n\n\n<p>Airborne microbial communities were similar between sites while significant differences emerged in the communities on lava rocks after 1-year exposure. SourceTracker analysis revealed distinct bacterial populations in the atmosphere and the lava rocks with surrounding soil contributed more significantly to lava rock microbial composition. Nevertheless, shared genera among air, rocks, and local sources, suggested potential exchange between these environments. The prevalent genera shared between rocks and potential sources exhibited stress-resistant properties, likely helping their survival during air transportation and facilitating their colonization of the rocks. <\/p>\n\n\n\n<p>We hypothesize that the atmosphere serves as a conduit for locally sourced microbes and stress-resistant distant-sourced microbes. Additionally, bacterial communities on the lava rocks of Fimmv\u00f6r\u00f0uh\u00e1ls showed remarkable similarity after 1 and 9 years of exposure, suggesting rapid establishment. Our study reveals that atmospheric deposition significantly influences bacterial community formation, potentially influencing ecosystem dynamics and microbial communities&#039; resilience.<\/p>","protected":false},"excerpt":{"rendered":"<p>Microorganisms released into the atmosphere by various disturbances can travel significant distances before depositing, yet their impact on community assembly [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"template-greinar.php","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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